Robot arm apparatus



FIG. 1 is a perspective elevational view from a top-front-right direction of a first embodiment;

FIG. 2 is a perspective elevational view from a top-rear-left direction of the first embodiment;

FIG. 3 is a front elevational view of the first embodiment;

FIG. 4 is a rear elevational view of the first embodiment;

FIG. 5 is a top plan elevational view of the first embodiment;

FIG. 6 is a bottom elevational view of the first embodiment;

FIG. 7 is a right side elevational view of the first embodiment; and,

FIG. 8 is a left side elevational view of the first embodiment. 

CLAIM The ornamental design for a robot arm apparatus, as shown and described. 